gnu/image.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2020 Mathieu Othacehe <m.othacehe@gmail.com>
   3 ;;;
   4 ;;; This file is part of GNU Guix.
   5 ;;;
   6 ;;; GNU Guix is free software; you can redistribute it and/or modify it
   7 ;;; under the terms of the GNU General Public License as published by
   8 ;;; the Free Software Foundation; either version 3 of the License, or (at
   9 ;;; your option) any later version.
  10 ;;;
  11 ;;; GNU Guix is distributed in the hope that it will be useful, but
  12 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 ;;; GNU General Public License for more details.
  15 ;;;
  16 ;;; You should have received a copy of the GNU General Public License
  17 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 (define-module (gnu image)
  20   #:use-module (guix records)
  21   #:export (partition
  22             partition?
  23             partition-device
  24             partition-size
  25             partition-offset
  26             partition-file-system
  27             partition-file-system-options
  28             partition-label
  29             partition-uuid
  30             partition-flags
  31             partition-initializer
  32
  33             image
  34             image-name
  35             image-format
  36             image-target
  37             image-size
  38             image-operating-system
  39             image-partitions
  40             image-compression?
  41             image-volatile-root?
  42             image-substitutable?
  43
  44             image-type
  45             image-type?
  46             image-type-name
  47             image-type-constructor
  48
  49             os->image))
  50
  51 \f
  52 ;;;
  53 ;;; Partition record.
  54 ;;;
  55
  56 (define-record-type* <partition> partition make-partition
  57   partition?
  58   (device               partition-device (default #f))
  59   (size                 partition-size)
  60   (offset               partition-offset (default 0))
  61   (file-system          partition-file-system (default "ext4"))
  62   (file-system-options  partition-file-system-options
  63                         (default '()))
  64   (label                partition-label (default #f))
  65   (uuid                 partition-uuid (default #f))
  66   (flags                partition-flags (default '()))
  67   (initializer          partition-initializer (default #f)))
  68
  69 \f
  70 ;;;
  71 ;;; Image record.
  72 ;;;
  73
  74 (define-record-type* <image>
  75   image make-image
  76   image?
  77   (name               image-name ;symbol
  78                       (default #f))
  79   (format             image-format) ;symbol
  80   (target             image-target
  81                       (default #f))
  82   (size               image-size  ;size in bytes as integer
  83                       (default 'guess))
  84   (operating-system   image-operating-system  ;<operating-system>
  85                       (default #f))
  86   (partitions         image-partitions ;list of <partition>
  87                       (default '()))
  88   (compression?       image-compression? ;boolean
  89                       (default #t))
  90   (volatile-root?     image-volatile-root? ;boolean
  91                       (default #t))
  92   (substitutable?     image-substitutable? ;boolean
  93                       (default #t)))
  94
  95 \f
  96 ;;;
  97 ;;; Image type.
  98 ;;;
  99
 100 (define-record-type* <image-type>
 101   image-type make-image-type
 102   image-type?
 103   (name           image-type-name) ;symbol
 104   (constructor    image-type-constructor)) ;<operating-system> -> <image>
 105
 106 \f
 107 ;;;
 108 ;;; Image creation.
 109 ;;;
 110
 111 (define* (os->image os #:key type)
 112   (let ((constructor (image-type-constructor type)))
 113     (constructor os)))